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May 10, 2011 swartlkk

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Dash Command (Android) OBD2 Bluetooth

LesMyer on Feb 20, 2026

Mar 23, 2026 04:50 PM
by LesMyer

549

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Torque Pro Custom CMP Retard (Cam Sensor Retard) Formula for Blazer 4.3L V6

StormBlazerJon on Sep 30, 2023

Sep 30, 2023 11:07 PM
by LesMyer

5,731

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Crank no Start Article

GeorgeLG on Aug 8, 2021

Apr 14, 2023 01:51 PM
by LesMyer

5,100

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Misfires

GeorgeLG on Mar 23, 2021

Apr 14, 2023 01:50 PM
by LesMyer

8,803

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Oxygen sensors

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1 2)

GeorgeLG on Apr 13, 2021

Apr 14, 2023 01:49 PM
by LesMyer

13,045

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We Have a Sensor Code, Is it Really the Sensor?

GeorgeLG on Feb 6, 2021

Apr 14, 2023 01:47 PM
by LesMyer

5,327

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Wiring faults

GeorgeLG on Jan 31, 2021

Apr 14, 2023 01:46 PM
by LesMyer

5,176

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Tech articles - Fuel Trims

GeorgeLG on Jan 26, 2021

Apr 14, 2023 01:44 PM
by LesMyer

6,030

bm, chevy, egr, fapbox, forums, gmc, jimmy, project, shift, sludge, valve, wiring, wwwfreeautomechaniccomdiagblecodes5htm

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Helpful Threads - Submit them Here!!

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1 2)

swartlkk on Nov 26, 2007

May 9, 2020 02:27 PM
by puttster

72,615

2001, 43l, blazer, fuel, injection, leak, leakdown, pressure, test, testing

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HOW TO: Check regulated fuel pressure, pump max output, & leakdown

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1 2 3 ... Last Page)

Captain Hook on Dec 27, 2014

Sep 13, 2018 09:02 PM
by Captain Hook

201,482

1998, 2000, 2006, 2007, blazer, chevrolet, chevy, code, codes, identification, list, option, options, parts, ratio, rpo, service, sierra

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Regular Production Option (RPO) Codes

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93LT on Jan 7, 2006

Apr 18, 2017 07:49 PM
by Captain Kirk

130,438

1999, 2000, 43, 98, 99, ac, blazer, chevy, delco, engine, gap, located, plug, spark, vortec, wire

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Spark Plug Technical Info

Sparkplugs.com on Dec 1, 2006

Dec 5, 2006 08:02 PM
by Sparkplugs.com

27,651

Normal Threads

1999, 97, ac, blazer, chevy, compressor, control, hoot, kick, module, pu, quit, reset, stop, stops, trailblazer, working

A/C not working, help me trouble shoot please!

hotrodsbyg on Jun 22, 2010

Jun 22, 2010 06:51 PM
by hotrodsbyg

2,675

Help me please

CustomBlazer0047 on Jun 22, 2010

Jun 22, 2010 05:31 PM
by CustomBlazer0047

713

a few annoying quirks

jackdough on Jun 21, 2010

Jun 22, 2010 03:52 PM
by jackdough

1,171

2000, 2001, blazer, chevy, code, codes, color, forum, harness, light, lights, lt, parking, wire, wiring

2001 LT wire color code

stlfish on Jun 22, 2010

Jun 22, 2010 02:59 PM
by stlfish

3,829

4wd fixed..but not so much

hpb182 on Jun 22, 2010

Jun 22, 2010 02:26 PM
by hpb182

828

43, blazer, chev, chevy, forum, mfi, performance, scfi, sfi

mfi vs sfi computer!

nimblestix on Jun 22, 2010

Jun 22, 2010 12:57 PM
by nimblestix

1,231

a/c heater problem

micker on Jun 21, 2010

Jun 22, 2010 10:03 AM
by micker

895

2001, 7625, 85, 8625, blazer, chevy, differential, forum, gasket, gear, leaking, lt2001, rear, ring, xtreme

Diff Gasket Question

Xtreme187 on Jun 21, 2010

Jun 22, 2010 09:45 AM
by Xtreme187

1,656

1993, 1996, 43, blazer, chevy, code, cylinder, ghost, hard, misfire, misfires, po300, random, start, tahoe, warm

Help-p0300 random cylinder misfire

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1 2)

hunterman18 on Jun 16, 2010

Jun 22, 2010 07:55 AM
by hunterman18

16,384

1995, 4wd, 77, 95, blazer, brake, brakes, chevy, diagrahm, diagram, light, power, replaced, seat, switch, system, wiring

Brake light, power seat, 4wd

subarutech77 on Jun 21, 2010

Jun 21, 2010 09:58 PM
by subarutech77

1,297

broke, coolant, fluid, radiator, spilled, transmission

Spilled some coolant

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1 2)

88skisupreme on Jun 1, 2010

Jun 21, 2010 09:56 PM
by 88skisupreme

2,693

blazer, chevy, code, gas, misfire, po305, s10, smell, vortex

no 5 misfire po305

irish7317 on Jun 21, 2010

Jun 21, 2010 05:56 PM
by irish7317

2,741

1983, 2000, 94, blazer, chevey, chevy, engine, gmc, jimmy, noise, noisy, price, pump, service, smog

Smog Pump

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1 2)

tatteddragonfly on May 17, 2010

Jun 21, 2010 03:51 PM
by stephensh

5,737

1998, 1999, 2001, blazer, chevy, cold, constantly, cooling, engine, fan, noise, noisy, run, runs, turn

Engine cooling fan

ZachL90 on Jun 21, 2010

Jun 21, 2010 03:46 PM
by ZachL90

2,713

2001, 215425, ac, air, blazer, chevy, delco, part, pump

Airm Pump Blazer price differences

stephensh on Jun 17, 2010

Jun 21, 2010 03:42 PM
by stephensh

1,294

03, 1996, 2004, 86, 99, blazer, blazwe, cable, chevy, cost, remove, replace, replacing, throtle, throttle

Replacing throttle cable

latinoNJ on Jun 21, 2010

Jun 21, 2010 03:38 PM
by latinoNJ

3,872

02, 04, 2002, access, blazer, chevy, fuel, gas, ls, panel, pump, rear, tank

2002 blazer

eeh on Jun 21, 2010

Jun 21, 2010 03:29 PM
by danmiranda

1,391

blazer, check, chevrolet, chevy, code, control, engine, gmc, ign, jimmy, light, maintenance, mod, p1683, perform, ses, timer, transmission

P1683 Code - SES Light On

danmiranda on Jun 21, 2010

Jun 21, 2010 01:26 PM
by danmiranda

7,361

1995, 2000, 98, 99, blazer, chev, chevrolet, chevy, drive, high, idle, long, runs, start, timing, wont

98 Blazer won't idle

Barrish_Automotive on Jun 16, 2009

Jun 21, 2010 01:22 PM
by ravenhurst

1,739

2000, 2002, 420, 43, 97, blazer, chevey, chevrolet, chevy, code, dtc, engine, explained, po, po420

Please help with dtc po 420

flukey on Jun 21, 2010

Jun 21, 2010 12:10 PM
by flukey

2,628

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